dream2891 2017-12-30 23:40
浏览 56
已采纳

是否可以从mysql数据库表中获取数据从特定的id到特定的id?

Suppose there are 100 entries in a table and the need is to fetch data from id 3 to id 7 ( means data from 5 id(s), leaving the id 1 & 2).
Is it possible to do so using php mysql?

  • 写回答

1条回答 默认 最新

  • dpqg86714 2017-12-30 23:52
    关注

    In case of searching in a range of numbers something like this can help.

    select * from test where id between 3 and 7;
    

    Which is similar to this

    select * from test where id >= 3 and id <=7;
    

    In case you want results from 3 to 7 but without id number 6 then something like this can also help.

    select * from test where id in (3,4,5,7);
    

    And again the above query can be re-writen to this

    select * from test where id >= 3 and id <=7 and id<>6;
    

    Check also this example on SQL fiddle where you could also check the time needed for the query result.

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

报告相同问题?

悬赏问题

  • ¥15 如何用stata画出文献中常见的安慰剂检验图
  • ¥15 c语言链表结构体数据插入
  • ¥40 使用MATLAB解答线性代数问题
  • ¥15 COCOS的问题COCOS的问题
  • ¥15 FPGA-SRIO初始化失败
  • ¥15 MapReduce实现倒排索引失败
  • ¥15 ZABBIX6.0L连接数据库报错,如何解决?(操作系统-centos)
  • ¥15 找一位技术过硬的游戏pj程序员
  • ¥15 matlab生成电测深三层曲线模型代码
  • ¥50 随机森林与房贷信用风险模型